Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474425 | Asymmetric diamond impregnated drill bit | Timothy P. Beaton | 2002-11-05 |
| 6464024 | Bi-centered drill bit having improved drilling stability, mud hydraulics and resistance to cutter damage | Timothy P. Beaton | 2002-10-15 |
| 6405814 | Cutting element with canted design for improved braze contact area | Ronald K. Eyre, Madapusi K. Keshavan | 2002-06-18 |
| 6394202 | Drill bit having diamond impregnated inserts primary cutting structure | Thomas W. Oldham, Carl Edward Penuel, Duane R. Van Waes | 2002-05-28 |